Columbia Falls to Island Park: Road Trip Guide

The 260-mile route from Columbia Falls to Island Park crosses the Continental Divide twice, following the Flathead River south before climbing over 5,200-foot Marias Pass. This drive is not just a transfer; it's a corridor through Glacier National Park's southern edge and the vast Beaverhead-Deerlodge National Forest.

The road is generally safe, but watch for wildlife at dawn and dusk, especially between Alberton and Drummond. For families, a stop at the Smokejumper Visitor Center in Missoula offers interactive exhibits. For pets, there are plenty of pull-offs, but keep them leashed in national forest areas.

For fatigue, plan a break at the Rest Area near Garrison (mile marker 0 on I-90) or a coffee stop in Deer Lodge. Hidden gems include the ghost town of Garnet, accessible via a gravel road east of Missoula, and the hot springs at Jackson, MT.

The route passes near the Cabinet Mountains Wilderness, with striking granite peaks and alpine lakes. The town of Seeley Lake offers a classic Montana main street with a local diner and outfitters.

Further south, the Big Hole Valley's wide-open ranchlands contrast with the forested climbs. Local commerce is ranching and logging; you'll see roadside stands selling huckleberry products during summer.

Most of the journey follows US-2 and US-93, with a segment on I-90 near Missoula. It's a well-maintained, two-lane highway with occasional passing lanes. Gas stations are sparse between Seeley Lake and Ovando, so fill up in Columbia Falls or Missoula.

• Fuel economy: expect 20-25 mpg on mountain grades.
• No tolls on this route.
• Mobile coverage is spotty in the national forest stretches; download offline maps.